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<h2>Rationale</h2>

<ol type="A">
<li><a href="xrat_xbd.html">Rationale for Base Definitions</a></li>
<li><a href="xrat_xsh.html">Rationale for System Interfaces</a></li>
<li><a href="xrat_xcu.html">Rationale for Shell &amp; Utilities</a></li>
<li><a href="../xrat/port.html" target="main">Portability Considerations (Informative)</a></li>
<li><a href="../xrat/subprofiles.html" target="main">Subprofiling Considerations (Informative)</a></li>
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